Also testifying today, United States Transportation Secretary Ray LaHood, who told the committee the National Highway Transportation Safety Administration has found no evidence of electronics issues and believes floor mats and sticky pedals pose the greatest threat.

There was an emotional moment as Lentz mentioned that he had lost his brother in an automobile accident 26 years ago. His voice breaking, he told lawmakers "There's not a day that goes by that I don't think of what these families go through."